Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9222220 | Refiner and blade element | Håkan Sjöström, Matti Kaarineva, Tomi Iisakkila | 2015-12-29 |
| 9133579 | Refiner and blade element | Håkan Sjöström, Matti Kaarineva, Tomi Iisakkila | 2015-09-15 |
| 8573522 | Refiner and method for refining fibrous material | Jorma Halla, Markku Partanen, Kauko Vänni | 2013-11-05 |
| 8511595 | Refiner and method for refining fibrous material | Jorma Halla, Markku Partanen, Kauko Vänni | 2013-08-20 |
| 7820013 | Screen cylinder | — | 2010-10-26 |
| 6986832 | Arrangement for mixing flows in papermaking process | Perttu Lamminen, Matti Hietaniemi, Juhani Sams | 2006-01-17 |
| 6740198 | Method and arrangement for mixing pulp components in the manufacture of paper | Jussi Ahola, Elina Pohjala, Sakari Soini, Veli-Matti Rajala, Petri Nyberg +1 more | 2004-05-25 |